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Most orders ship within 1–2 business days via UPS. Larger equipment ships via freight carrier, and customers can use the shipping estimator on the product page for a location-specific quote. Local pickup is also available at the Fairfield, IL facility, typically ready within 4 hours.

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MRO Exchange accepts all major credit cards, PayPal, and Shop Pay. Purchase order and wire transfer payment is also available, with payment due prior to shipment. Custom terms are available for established accounts.

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Siemens 6SL3040-0MA00-0AA1 SINAMICS CU320 Control Unit 24V DC Inspected Surplus - Appears Unused

$599.00 USD

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✓ 30-day returns on every item — return policy

ConditionInspected Surplus - Appears Unused MPN6SL3040-0MA00-0AA1 Stock #Stock # 0626-01795

30-day returns on every item. Photos reflect the actual item’s current condition — see our return policy and condition guide.

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⚡ Same-day shipping available — order by 11 am CT ($100 add-on at checkout)

✓ Free domestic UPS Ground shipping — applied automatically at checkout.

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Product Specifications

Manufacturer: Siemens
MPN / Model: 6SL3040-0MA00-0AA1
Product Type: SINAMICS Control Unit CU320
Supply Voltage: 24VDC, 6.5A
Digital Outputs: 24VDC, 0.5A
Operating Temperature: 0 to 55 C
Version: E
Condition: Inspected Surplus - Appears Unused

Product Description

Siemens SINAMICS Control Unit CU320, MPN 6SL3040-0MA00-0AA1, is the central control module used within the SINAMICS drive system to coordinate closed loop control and drive functions. The nameplate confirms a 24VDC 6.5A supply, digital outputs rated 24VDC 0.5A, and an operating temperature range of 0 to 55 C. This unit is marked Version E and is listed as Inspected Surplus, Appears Unused. Buyers sourcing a SINAMICS CU320 control unit can use the exact Siemens catalog number 6SL3040-0MA00-0AA1 to match this module against their existing drive configuration for replacement or spare inventory.

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Frequently Asked Questions

Shipping & Handling

Most orders ship within 1–2 business days via UPS, but expedited same-day handling is available as an add-on to orders in cart. Larger equipment ships via freight carrier. Use the shipping estimator above for a location-specific quote. Local pickup is also available at our Fairfield, IL facility, typically ready within 4 hours.

Returns & Condition

All items are sold as-described based on the photos and condition listed. If an item arrives differing from its description, it may be eligible for return or refund. See our full condition guide for details on our grading terms.

Payment Options

We accept all major credit cards, PayPal, and Shop Pay. Purchase order and wire transfer payment is also available by selecting "Purchase Order / Wire Transfer" at checkout. Payment is due prior to shipment. Contact us for custom terms on established accounts. Tax exemptions are honored if proper documentation is provided.